Granted Patent
Utility
US 4,512,339 · App. 06/257,373
Percussor application
Inventor:
Robert C. McShirley
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Apr 24, 1981
Inventor
Robert C. McShirley
Assignee (at issue)
McShirley Products, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.